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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Whistling oil boiler
My oil fired boiler has started whistling while running. The
high-pitched whistle starts about 10s after fireing up, stays pretty constant while running and then tapers off after the boiler extinguishes itself. Any suggestions as to what might be wrong? I've seen various suggestions around a build up of limescale, but they seem to normally be referring to a much lower pitched rumbling sound. Thanks, Piers |
#2
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Whistling oil boiler
On Feb 2, 8:07*am, Piers Finlayson wrote:
My oil fired boiler has started whistling while running. *The high-pitched whistle starts about 10s after fireing up, stays pretty constant while running and then tapers off after the boiler extinguishes itself. Any suggestions as to what might be wrong? *I've seen various suggestions around a build up of limescale, but they seem to normally be referring to a much lower pitched rumbling sound. Thanks, Piers Make and age would help.. Fan motor bearing sounds a possibility. Al |
#3
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Whistling oil boiler
On Feb 2, 9:03*am, Allan Mac wrote:
On Feb 2, 8:07*am, Piers Finlayson wrote: My oil fired boiler has started whistling while running. *The high-pitched whistle starts about 10s after fireing up, stays pretty constant while running and then tapers off after the boiler extinguishes itself. Any suggestions as to what might be wrong? *I've seen various suggestions around a build up of limescale, but they seem to normally be referring to a much lower pitched rumbling sound. Thanks, Piers Make and age would help.. Fan motor bearing sounds a possibility. Al Agreed. |
#4
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Whistling oil boiler
On Feb 2, 8:07*am, Piers Finlayson wrote:
My oil fired boiler has started whistling while running. *The high-pitched whistle starts about 10s after fireing up, stays pretty constant while running and then tapers off after the boiler extinguishes itself. Any suggestions as to what might be wrong? *I've seen various suggestions around a build up of limescale, but they seem to normally be referring to a much lower pitched rumbling sound. Thanks, Piers 1. Build up of crap on the fan or in the housing 2. Motor bearings failing 3. Problem developing in the oil pump 4. Oil starvation in the feed to the pump caused by clogged filter element either at the tank, between the tank and the boiler or within the pump itself 5. Firestop fuel valve almost closed If it takes 10s after firing it does suggest a fuel starvation problem as a vacuum builds up in the pump in this time |
#5
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Whistling oil boiler
On Wed, 2 Feb 2011 08:07:16 +0000, Piers Finlayson wrote:
My oil fired boiler has started whistling while running. The high-pitched whistle starts about 10s after fireing up, Define "fireing up" do you mean blower starting or when the ignitor fires to light the boiler some seconds later? Thinking that it might a worn jet if it hasn't been serviced/replaced every year or so. Though I'd expect that to stop PDQ after the blower stops. Kettling due to scale can be quite high frequency but I wouldn't call that sound a "whistle", ie a single tone, it's more high freqency noise. -- Cheers Dave. |
#6
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Whistling oil boiler
On 2011-02-02 12:57:53 +0000, Dave Liquorice said:
On Wed, 2 Feb 2011 08:07:16 +0000, Piers Finlayson wrote: My oil fired boiler has started whistling while running. The high-pitched whistle starts about 10s after fireing up, A Mistral Diamond. No idea of age, but instructions dated 2000. Define "fireing up" do you mean blower starting or when the ignitor fires to light the boiler some seconds later? The latter (i.e. after the whumpf - a techincal term). Thinking that it might a worn jet if it hasn't been serviced/replaced every year or so. Though I'd expect that to stop PDQ after the blower stops. The jets haven't been serviced or replaced for a few years. Whistling stops fairly quickly but not instantly - fades away over the course of a few seconds. Of course it's not doing it now. Kettling due to scale can be quite high frequency but I wouldn't call that sound a "whistle", ie a single tone, it's more high freqency noise. |
#7
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Whistling oil boiler
On Feb 2, 2:35*pm, Piers Finlayson wrote:
On 2011-02-02 12:57:53 +0000, Dave Liquorice said: On Wed, 2 Feb 2011 08:07:16 +0000, Piers Finlayson wrote: My oil fired boiler has started whistling while running. *The high-pitched whistle starts about 10s after fireing up, A Mistral Diamond. *No idea of age, but instructions dated 2000. Define "fireing up" do you mean blower starting or when the ignitor fires to light the boiler some seconds later? The latter (i.e. after the whumpf - a techincal term). Thinking that it might a worn jet if it hasn't been serviced/replaced every year or so. Though I'd expect that to stop PDQ after the blower stops. The jets haven't been serviced or replaced for a few years. *Whistling stops fairly quickly but not instantly - fades away over the course of a few seconds. *Of course it's not doing it now. Kettling due to scale can be quite high frequency but I wouldn't call that sound a "whistle", ie a single tone, it's more high freqency noise.- Hide quoted text - - Show quoted text - A worn jet usually causes poor atomisation leading to loss of efficiency due to degraded combustion and eventually soots up the boiler. Not servicing an oil boiler is false economy |
#8
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Whistling oil boiler
On Wed, 02 Feb 2011 14:35:02 +0000, Piers Finlayson wrote:
On 2011-02-02 12:57:53 +0000, Dave Liquorice said: On Wed, 2 Feb 2011 08:07:16 +0000, Piers Finlayson wrote: My oil fired boiler has started whistling while running. The high-pitched whistle starts about 10s after fireing up, A Mistral Diamond. No idea of age, but instructions dated 2000. Define "fireing up" do you mean blower starting or when the ignitor fires to light the boiler some seconds later? The latter (i.e. after the whumpf - a techincal term). Our propane-burning forced-air furnace sometimes does it, too, but not always. As it's not consistent I've always assumed it's something to do with atmospheric conditions (temperature, moisture content in the combustion air etc.) rather than any kind of fault, but maybe it really is a maintenance issue... (the furnace control board never displays any kind of fault condition) cheers Jules |
#9
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Whistling oil boiler
On 02/02/2011 14:35, Piers Finlayson wrote:
On 2011-02-02 12:57:53 +0000, Dave Liquorice said: On Wed, 2 Feb 2011 08:07:16 +0000, Piers Finlayson wrote: My oil fired boiler has started whistling while running. The high-pitched whistle starts about 10s after fireing up, A Mistral Diamond. No idea of age, but instructions dated 2000. Define "fireing up" do you mean blower starting or when the ignitor fires to light the boiler some seconds later? The latter (i.e. after the whumpf - a techincal term). Is that a Metric whumpf or an Imperial whumpf? -- Dave - The Medway Handyman www.medwayhandyman.co.uk |
#10
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Whistling oil boiler
IF ITS OIL FIRED ITS THE TUBING FROM OIL TANK TO FUEL PUMP WRAP THEM WITH 3/8TH RUBBER GAS LINE HOSE IT WILL STOP IT BE SURE DO COVER FULL LEGNTH OF TUBING.IT WORKED FOR ME ON NEW INSTALL
-- For full context, visit https://www.homeownershub.com/uk-diy...er-685558-.htm |
#11
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Whistling oil boiler
On 20/11/2020 20:15, G wrote:
IF ITS OIL FIRED ITS THE TUBING FROM OIL TANK TO FUEL PUMP WRAP THEM WITH 3/8TH RUBBER GAS LINE HOSE IT WILL STOP IT BE SURE DO COVER FULL LEGNTH OF TUBING.IT WORKED FOR ME ON NEW INSTALL He's probably sorted it out in the last 9 years. BTW your caps lock is stuck. http://wiki.diyfaq.org.uk/index.php/Home_owners_hub Andy |
#12
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Whistling oil boiler
On Fri, 20 Nov 2020 20:15:02 +0000, G wrote:
IF ITS OIL FIRED ITS THE TUBING FROM OIL TANK TO FUEL PUMP WRAP THEM WITH 3/8TH RUBBER GAS LINE HOSE IT WILL STOP IT BE SURE DO COVER FULL LEGNTH OF TUBING.IT WORKED FOR ME ON NEW INSTALL They've probably managed to sort it out in the last nine years. -- My posts are my copyright and if @diy_forums or Home Owners' Hub wish to copy them they can pay me £1 a message. Use the BIG mirror service in the UK: http://www.mirrorservice.org *lightning surge protection* - a w_tom conductor |
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